﻿.current{
     background-color:#49b764;
}
.shipin{
    background-color:#0da04f;
}
.wendang{
    background-color:#49b764;
}
.hudong{
    background-color:#49b764;
}
.gongxiang{
    background-color:#49b764;
}
.kaiyuan{
    background-color:#49b764;
}
.course_nav{
    margin-top:20px;
    padding:15px 12px 15px 18px;
    overflow:hidden;
    zoom:1;
    width:980px;
    background-color:#fff;
}
#page_header{
    overflow:hidden;
    zoom:1;
    height:40px;
}
#page_header h1{
  font-size: 20px;
  font-family: "微软雅黑";
  line-height: 20px;
  color: #666565;
  float: left;
}
#goback a span {
  color: #99a0a6;
  font-size: 16px;
  width: 80px;
  padding-right: 10px;
}
.course_nav .picture {
  float: left;
  height: 200px;
  width: 280px;
  margin: 0 3px 0 0px;
}
.course_nav .info {
  float:right;
  height: 200px;
  width: 697px;
  margin-top: -3px;
}
.course_nav .info ul {
  list-style: none;
  margin-left:2px;
}
.course_nav .info li, .course_nav .info_syn li {
  margin: 3px;
  background-color: #ecf0f3;
  float: left;
  width: 224px;
  height: 98px;
  text-align: center;
}
.info_title {
  margin: 10px 0;
}
.course_nav .picture .img_title {
  background: #282828;
  width: 280px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  color: #fff;
  margin-top:-7px;
}
.info_num i {
  font-size: 30px;
  font-style: normal;
  padding: 0 2px;
}
.content_area_syn{
    overflow:hidden;
    zoom:1;
    padding:5px 18px 3px 15px;
     background: #fff;
     width:977px;
}
.content_area_syn .left{
     width: 300px;
     background: #fff;
      float:left;
      height:500px;
      overflow:auto;
}

.content_area_syn .reft{
     width: 666px;
     background: #fff;
     float:right;
     height:500px;
     text-align:center;
     border-right:1px dashed #c2c0c0;
     overflow:hidden;
}
.content_area_syn .reft .reftweizhi {
    margin-bottom:20px;
}
.reft h2{
    float:left;
    padding-top:20px;
}
.biaoji{
    float:right;
}
.weixue{
    cursor:pointer;
}
.weixue span:hover{
   color:#282828;
}
.yixue{
    cursor:pointer;
}
.yixue span:hover{
   color:#282828;
}

.yixue{
    display:none;
}
.content_area_syn .left ul li {
  background: #2B2B2B;
  border-bottom: 1px solid #1D1D1D;
  border-top: 1px solid #3B3B3B;
  font-size: 12px;
  line-height: 38px;
  padding: 0 0 0 10px;
  position: relative;
  font-family: Microsoft YaHei;
  margin: 0px;
  width: 97%;
  float: left;
  cursor:pointer;
}
.content_area_syn .left ul li span{
    color: #00F3FF;
}
.content_area_syn .left ul li.cur{
  background: url(../image/index/play-cur-ico.jpg) no-repeat scroll left 14px #555;
  color:#fff;
}
.content_area_syn .left ul li span {
  color: #c2c0c0;
  float: right;
  margin-right: 20px;
}
.content_area_syn .left ul li.cur a, .content_area_syn .left ul li.cur a:link,.content_area_syn .left ul li.cur a:visited {
  color: #00F3FF;
}
.video{
    text-align:center;
}